Compressor rotor balancing device

Abstract

The utility model relates to the related technical field of compressor rotor structures, in particular to a compressor rotor balancing device which comprises a compressor rotor body, rotor connecting shafts are arranged at the left end and the right end of the compressor rotor body respectively, and rotating rod bodies are arranged in the middles of the rotor connecting shafts respectively. First connecting discs are arranged in the middles of the left end and the right end of the rotating rod body. The improved compressor rotor balancing device is provided with the configuration block assemblies and the sliding balancing weights, and the configuration block assemblies are arranged in the first connecting disc and the second connecting disc; centrifugal force generated when the rotating rod body rotates drives the sliding balancing weight to slide towards one side of the configuration block assembly under traction of a spring telescopic rod in the balancing weight column; further, the centrifugal force of the sliding balancing weight at different angles can balance the stability of the rotating structure of the compressors with different powers; and the position of the balancing weight column can be adjusted by rotating the adjusting knob, so that the centrifugal force is changed by adjusting the rotating radius.

Description

Technical Field

[0001] The utility model relates to the technical field of compressor rotors, and specifically relates to a compressor rotor balancing device. Background Technique

[0002] At present, the balance components of compressors are all made by integral casting or stamping processes. The weight and centroid of such balance components are fixed and cannot be adjusted. Due to different eccentric weights or motor heights of compressors with different powers, counterweight blocks with different masses and centroids must be used to balance the eccentric force;

[0003] For this balancing device, a counterweight assembly needs to be provided at a certain angle and it needs to be easy to disassemble and assemble, so as to adjust the counterweight weight at different angles through the rotation power of the compressor, and it is convenient for fixing and adjusting.

[0004] The inventor found the following problems in the process of implementing the present utility model: 1. The traditional compressor rotor balancing device cannot quickly adjust the weight configuration of the counterweight assembly; 2. The traditional compressor rotor balancing device cannot quickly disassemble and assemble the balancing structure for subsequent maintenance. Content of the Utility Model

[0005] The purpose of the present utility model is to provide a compressor rotor balancing device to solve the problems that the traditional compressor rotor balancing device cannot quickly adjust the counterweight weight and cannot quickly disassemble and assemble the balancing structure for maintenance in the above-mentioned background technique. To achieve the above purpose, the present utility model provides the following technical solution: A compressor rotor balancing device, including a compressor rotor main body, rotor connecting shafts are arranged at both the left and right ends of the compressor rotor main body, and rotating rod main bodies are arranged in the middle of the rotor connecting shafts. First connection disks are arranged in the middle of both the left and right ends of the rotating rod main body, and second connection disks are arranged on the right sides of the first connection disks. Fixed rings are arranged in the middle of the left end of the first connection disk and the right end of the second connection disk;

[0006] Two circular through grooves are equally spaced in the middle of the front and back sides of the first connection disk and the second connection disk, and two locking bolts are arranged inside the through grooves. Thread fixing sleeves are arranged on the outer surfaces of the locking bolts, and expansion fixing components are arranged on the outer surfaces of the thread fixing sleeves. Circular threaded grooves are arranged in the middle of both the left and right ends of the thread fixing sleeve;

[0007] Four rectangular clamping grooves are equally angled on the side surfaces of the first connection disk and the second connection disk close to the other second connection disk or the first connection disk, and counterweight block assemblies are arranged inside the clamping grooves. Circular grooves are arranged inside the counterweight block assemblies, and adjusting knobs are arranged in the middle of one side close to the center of the first connection disk inside the circular grooves;

[0008] At one end of the adjusting knob away from the center of the first connecting disk, a rotating threaded rod is provided, and at the other end of the rotating threaded rod, a sliding adjusting rod is provided. At the middle of one end of the sliding adjusting rod away from the rotating threaded rod, rectangular sliding grooves are equally spaced, and a clamping block assembly is provided inside the rectangular sliding grooves. At the middle of one end of the sliding adjusting rod, a pressing button is provided by grooving, and on one side of the sliding adjusting rod away from the rotating threaded rod, a counterweight column is provided. At the middle of the other end of the counterweight column, a sliding counterweight block is provided by grooving, and at the middle of the outer surface of the fixed ring, four circular through threaded grooves are equally spaced. Inside the threaded grooves of the fixed ring, inner hexagon fixing bolts are provided.

[0009] Further preferably, at one end of the rotor connecting shaft close to the compressor rotor main body, they are fixed to the middle parts of the left and right side surfaces of the compressor rotor main body. And at the middle of the outer circle of the rotor connecting shaft, a circle of circular grooves are equally spaced. And at the middle of one end of the rotating rod main body close to the compressor rotor main body, they all penetrate through the middle of the rotor connecting shaft. At one end of the rotating rod main body close to the compressor rotor main body, they are all connected to the left and right ends of the compressor rotor main body through a coupling. And the cross-sectional diameters at the middle parts of the left and right ends of the rotating rod main body are smaller than the cross-sectional diameter at the middle part of the rotating rod main body.

[0010] Further preferably, on one side surface of the fixed ring close to the first connecting disk and the second connecting disk, they are fixed to the middle parts of one side surfaces of the first connecting disk and the second connecting disk close to the fixed ring. And the inner wall cross-sectional diameter of the fixed ring is equal to the cross-sectional diameters at the middle parts of the left and right ends of the rotating rod main body. And at the parts of the rotating rod main body located in the outer circle threaded grooves of the fixed ring, circular threaded grooves are provided. The middle parts of the inner hexagon fixing bolts all penetrate and are threadedly connected to the inner wall of the threaded grooves of the fixed ring. And at one end of the inner hexagon fixing bolt close to the center of the cross-section of the rotating rod main body, they are all threadedly connected to the inner wall of the circular groove of the rotating rod main body.

[0011] Further preferably, the outer surfaces of the expansion fixing components are all closely attached to the inner wall of the circular grooves of the first connecting disk and the second connecting disk. And the material of the expansion fixing components is a plastic material that is easy to expand when heated. And the outer surfaces of the threaded fixing sleeves are all closely attached to the inner walls of the expansion fixing components. At the middle of one end of the locking bolts close to the middle part of the threaded fixing sleeve, they are all threadedly connected to the inner walls of the upper and lower circular grooves of the threaded fixing sleeve. And at the other end of the locking bolts away from the middle part of the threaded fixing sleeve, the cross-sectional diameter is equal to the cross-sectional diameter of the outer surface of the expansion fixing components. And the surfaces of the two end parts of the locking bolts and the surfaces of the first connecting disk and the second connecting disk are all on the same plane.

[0012] Further preferably, the four side surfaces of the configuration block assembly are closely attached to the inner walls of the rectangular grooves of the first connection disk and the second connection disk, and the arc radian of the side surface of the configuration block assembly close to the central circular groove of the first connection disk is equal to the radian of the central circular grooves of the first connection disk and the second connection disk. The end parts of the adjusting knobs are all connected to the middle part of the side surface of the configuration block assembly close to the circular groove of the first connection disk through bearings. One end of the rotating threaded rod close to the adjusting knob is fixed to the middle part of the end part of the adjusting knob, and one end middle part of the rotating threaded rod close to the adjusting knob is connected to the inner wall of the configuration block assembly through a bearing. The other end surface of the rotating threaded rod is threadedly connected to the inner wall of the circular groove at one end of the sliding adjusting rod close to the rotating threaded rod.

[0013] Further preferably, the middle parts of the end parts of the pressing buttons all penetrate and are slidably connected to the middle part of one end of the sliding adjusting rod. The surfaces of the engaging block assemblies close to one end of the sliding adjusting rod are all slidably connected to the inner walls of the sliding grooves of the sliding adjusting rod. One end of the engaging block assemblies close to the pressing buttons is fixed to the middle part of the pressing buttons. One end middle part of the pressing buttons located inside the sliding adjusting rod is connected to the inner wall of the sliding adjusting rod through a spring. The cross-sectional diameter of the end part of the sliding adjusting rod is equal to the cross-sectional diameter of the engaging groove in the middle part of one end of the counterweight column close to the sliding adjusting rod. Four arc-shaped grooves are evenly arranged inside the engaging groove of the counterweight column.

[0014] Further preferably, the middle parts of the counterweight columns are closely attached to the middle parts of the inner walls of the configuration block assemblies. The middle parts of the sliding counterweight blocks are all slidably connected to the middle parts of the inner walls of the counterweight columns. One end middle part of the sliding counterweight blocks close to the counterweight columns is connected to the middle parts of the inner walls of the counterweight columns through spring telescopic rods. The cross-sectional diameter of the sliding counterweight blocks is equal to the cross-sectional diameter of the end circular groove of the counterweight columns.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the present utility model, a configuration block assembly and a sliding counterweight block are provided. By arranging a configuration block assembly inside the first connection disk and the second connection disk, and driving the sliding counterweight block to slide towards one side of the configuration block assembly under the traction of the spring telescopic rod inside the counterweight column by the centrifugal force when the main body of the rotating rod rotates, so that the centrifugal forces of the sliding counterweight blocks at different angles can balance the rotating structures of compressors with different powers and be stable. Moreover, the position of the counterweight column can be adjusted by rotating the adjusting knob, so that the position of the sliding counterweight block changes, and then the rotation radius is adjusted to change the magnitude of the centrifugal force.

[0017] In the present utility model, a fixed ring and an inner hexagon fixing bolt are provided. The fixed ring is fixed in the middle of the ends of the first connection disk and the second connection disk, and the inner hexagon fixing bolt is arranged inside the thread groove and locked and fixed in the middle of the rotating rod body through the fixed ring. At the same time, a locking bolt and a thread fixing sleeve are arranged inside the circular grooves of the first connection disk and the second connection disk. The thread fixing sleeve is engaged with the expansion fixing component and engaged inside the circular grooves of the first connection disk and the second connection disk, and the left and right sides are clamped and fixed through the locking bolt, so that the first connection disk and the second connection disk can remain stable during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is an enlarged schematic diagram of the second connection disk of the present utility model;

[0020] Figure 3 is an enlarged schematic diagram of the configuration block assembly of the present utility model;

[0021] Figure 4 For the present utility model Figure 3 is an enlarged schematic diagram of part A in;

[0022] Figure 5 is an enlarged schematic diagram of the thread fixing sleeve of the present utility model;

[0023] Figure 6 is an enlarged schematic diagram of the fixed ring of the present utility model.

[0024] In the figure: 1. Compressor rotor main body; 2. Rotor connecting shaft; 3. Rotating rod main body; 4. First connection disk; 5. Second connection disk; 6. Fixed ring; 7. Locking bolt; 8. Expansion fixing component; 9. Configuration block component; 10. Adjusting knob; 11. Rotating threaded rod; 12. Sliding adjusting rod; 13. Counterweight column; 14. Sliding counterweight block; 15. Clamping block component; 16. Pressing button; 17. Thread fixing sleeve; 18. Inner hexagon fixing bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technical staff in the art without creative work fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1 to 6, the present utility model provides a technical solution: a compressor rotor balancing device, including a compressor rotor main body 1. Rotor connecting shafts 2 are provided at both the left and right ends of the compressor rotor main body 1, and rotating rod main bodies 3 are provided in the middle of the rotor connecting shafts 2. First connection disks 4 are provided in the middle of both the left and right ends of the rotating rod main body 3, and second connection disks 5 are provided on the right sides of the first connection disks 4. Fixed rings 6 are provided in the middle of the left end of the first connection disk 4 and the right end of the second connection disk 5;

[0027] Two circular through grooves are equally spaced in the middle of the front and back sides of the first connection disk 4 and the second connection disk 5, and two locking bolts 7 are provided inside the through grooves. Thread fixing sleeves 17 are provided on the outer surfaces of the locking bolts 7, and expansion fixing components 8 are provided on the outer surfaces of the thread fixing sleeves 17. Circular thread grooves are provided in the middle of both the left and right ends of the thread fixing sleeve 17;

[0028] Four rectangular engaging grooves are equally angled on the surface of the first connection disk 4 and the second connection disk 5 close to the other second connection disk 5 or the first connection disk 4, and configuration block components 9 are provided inside the engaging grooves. Circular grooves are provided inside the configuration block components 9, and adjusting knobs 10 are provided in the middle of one side close to the center of the first connection disk 4 inside the circular grooves;

[0029] One end of the adjusting knob 10 away from the center of the first connection disk 4 is provided with a rotating threaded rod 11, and the other end of the rotating threaded rod 11 is provided with a sliding adjusting rod 12. Rectangular sliding grooves are equally spaced in the middle of the end of the sliding adjusting rod 12 away from the rotating threaded rod 11, and engaging block components 15 are provided inside the rectangular sliding grooves. A pressing button 16 is provided by grooving in the middle of one end of the sliding adjusting rod 12, and a counterweight column 13 is provided on the side of the sliding adjusting rod 12 away from the rotating threaded rod 11. A sliding counterweight block 14 is provided by grooving in the middle of the other end of the counterweight column 13, and four circular through threaded grooves are equally spaced in the middle of the outer ring surface of the fixed ring 6. Hexagon socket head cap screws 18 are provided inside the threaded grooves of the fixed ring 6.

[0030] In this embodiment, as Figure 1As shown in the figure, one end of the rotor connecting shaft 2 close to the compressor rotor main body 1 is fixed to the middle of the left and right side surfaces of the compressor rotor main body 1. A circular groove is evenly formed in the middle of the outer ring of the rotor connecting shaft 2. The middle of one end of the rotating rod main body 3 close to the compressor rotor main body 1 penetrates through the middle of the rotor connecting shaft 2. One end of the rotating rod main body 3 close to the compressor rotor main body 1 is connected to the left and right ends of the compressor rotor main body 1 through a coupling. The cross-sectional diameter of the middle parts of the left and right ends of the rotating rod main body 3 is smaller than the cross-sectional diameter of the middle part of the rotating rod main body 3. By arranging the rotor connecting shaft 2 on the left and right sides of the compressor rotor main body 1, when connecting the rotating rod main body 3 to both ends of the compressor rotor main body 1, the connection stability at the ends can be ensured.

[0031] In this embodiment, as Figure 6 shown, one side surface of the fixing ring 6 close to the first connecting disk 4 and the second connecting disk 5 is fixed to the middle of the side surfaces of the first connecting disk 4 and the second connecting disk 5 close to the fixing ring 6. The inner wall cross-sectional diameter of the fixing ring 6 is equal to the cross-sectional diameter of the middle parts of the left and right ends of the rotating rod main body 3. Circular threaded grooves are formed at the parts of the rotating rod main body 3 located in the threaded grooves on the outer ring of the fixing ring 6. The middle parts of the inner hexagon fixing bolts 18 penetrate and are threadedly connected to the inner wall of the threaded grooves of the fixing ring 6. One end of the inner hexagon fixing bolts 18 close to the cross-sectional center of the rotating rod main body 3 is threadedly connected to the inner wall of the circular groove of the rotating rod main body 3. By fixedly connecting the fixing rings 6 to both ends of the first connecting disk 4 and the second connecting disk 5 in the middle parts of both ends of the rotating rod main body 3, the inner hexagon fixing bolts 18 can be rotated and fixed inside the threaded grooves of the fixing ring 6 and the rotating rod main body 3, so that the positions of the first connecting disk 4 and the second connecting disk 5 are kept fixed.

[0032] In this embodiment, as Figure 5 shown, the outer surfaces of the expansion fixing components 8 are closely attached to the inner walls of the circular grooves of the first connecting disk 4 and the second connecting disk 5. The material of the expansion fixing components 8 is a plastic material that is easy to expand when heated. The outer surfaces of the threaded fixing sleeves 17 are closely attached to the inner walls of the expansion fixing components 8. One end of the locking bolts 7 close to the middle of the threaded fixing sleeves 17 is threadedly connected to the upper and lower circular groove inner walls of the threaded fixing sleeves 17. The cross-sectional diameter of the end of the locking bolts 7 far from the middle of the threaded fixing sleeves 17 is equal to the outer surface cross-sectional diameter of the expansion fixing components 8. The surface of both ends of the locking bolts 7 and the surfaces of the first connecting disk 4 and the second connecting disk 5 are located on the same plane. By arranging the expansion fixing components 8 in the middle parts of the first connecting disk 4 and the second connecting disk 5 by grooving, the threaded fixing sleeves 17 can be clamped and fixed inside the circular grooves of the first connecting disk 4 and the second connecting disk 5 through the arranged expansion fixing components 8, so that the locking bolts 7 can clamp and connect the first connecting disk 4 and the second connecting disk 5 on both sides together.

[0033] In this embodiment, as Figure 2 shown, the four side surfaces of the configuration block assembly 9 are all closely attached to the inner wall rectangular grooves of the inner walls of the first connection disk 4 and the second connection disk 5, and the arc radian of the side surface of the configuration block assembly 9 close to the central circular groove of the first connection disk 4 is equal to the radian of the central circular grooves of the first connection disk 4 and the second connection disk 5. And the ends of the adjustment knobs 10 are all connected to the middle of the side surface of the configuration block assembly 9 close to the circular groove of the first connection disk 4 through bearings. One end of the rotating threaded rod 11 close to the adjustment knob 10 is fixed to the middle of the end of the adjustment knob 10, and the middle of one end of the rotating threaded rod 11 close to the adjustment knob 10 is all connected to the inner wall of the configuration block assembly 9 through bearings. And the other end surface of the rotating threaded rod 11 is threadedly connected to the inner wall of the circular groove at one end of the sliding adjustment rod 12 close to the rotating threaded rod 11; By providing rectangular grooves on the inner walls of the first connection disk 4 and the second connection disk 5, the configuration block assembly 9 can be clamped and fixed inside the grooves, and then the centrifugal force generated by the rotation of the first connection disk 4 and the second connection disk 5 can be changed by adjusting the configuration block assembly 9.

[0034] In this embodiment, as Figure 3 and Figure 4 shown, the middle parts of the ends of the pressing buttons 16 are all slidably connected through the middle parts of one ends of the sliding adjustment rods 12, and the surfaces of the engaging block assemblies 15 close to one ends of the sliding adjustment rods 12 are all slidably connected to the inner walls of the sliding grooves of the sliding adjustment rods 12. And one ends of the engaging block assemblies 15 close to the pressing buttons 16 are all fixed to the middle parts of the pressing buttons 16. The middle parts of the ends of the pressing buttons 16 located inside the sliding adjustment rods 12 are all connected to the inner walls of the sliding adjustment rods 12 through springs. And the cross-sectional diameter of the end of the sliding adjustment rod 12 is equal to the cross-sectional diameter of the engaging groove at the middle part of one end of the counterweight column 13 close to the sliding adjustment rod 12. And four arc-shaped grooves are equally spaced in the engaging groove of the counterweight column 13; By pressing the sliding adjustment rod 12, the pressing button 16 can drive the engaging block assembly 15 to retract into the groove of the sliding adjustment rod 12, so that the sliding adjustment rod 12 can be inserted into the groove of the counterweight column 13, so that the sliding adjustment rod 12 and the counterweight column 13 can be kept fixed during rotation.

[0035] In this embodiment, as Figure 3 shown, the middle parts of the counterweight columns 13 are all closely attached to the middle part of the inner wall of the configuration block assembly 9, and the middle parts of the sliding counterweight blocks 14 are all slidably connected to the middle part of the inner wall of the counterweight column 13. And the middle parts of one ends of the sliding counterweight blocks 14 close to the counterweight column 13 are all connected to the middle part of the inner wall of the counterweight column 13 through spring telescopic rods. The cross-sectional diameter of the sliding counterweight block 14 is equal to the cross-sectional diameter of the end circular groove of the counterweight column 13; The sliding counterweight block 14 is connected to the inner wall of the groove of the counterweight column 13 through a spring telescopic rod, and then the sliding counterweight block 14 stretches the spring telescopic rod by rotation to generate a certain amount of centrifugal force according to the rotation.

[0036] Usage method and advantages of the present utility model: For this compressor rotor balancing device, during use, the working process is as follows:

[0037] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 shown, first, the user can respectively install the rotor connecting shaft 2 and the rotating rod main body 3 to the middle parts of the left and right sides of the compressor rotor main body 1, and can install and sleeve the first connecting disc 4 and the second connecting disc 5 on the middle part of the rotating rod main body 3 through the fixing ring 6. At the same time, the fixing ring 6 is fixed to the middle part of the rotating rod main body 3 through the inner hexagon fixing bolt 18, so that the first connecting disc 4 and the second connecting disc 5 can be fixed at the middle fixed positions at both ends of the rotating rod main body 3. At the same time, a configuration block assembly 9 can be arranged inside the first connecting disc 4 and the second connecting disc 5. Different sliding counterweight blocks 14 are placed according to the power of the compressor, so that the sliding counterweight blocks 14 can be slidably connected to the inner wall of the counterweight column 13, and the counterweight column 13 can be pressed against the end of the sliding adjustment rod 12, thereby compressing the pressing button 16 to retract the engaging block assembly 15 into the groove inside the sliding adjustment rod 12, so that the engaging block assembly 15 can be engaged into the inner wall of the engaging groove at the end of the counterweight column 13. At the same time, the position of the slidably adjusted sliding adjustment rod 12 can be adjusted by rotating the adjustment knob 10 to drive the rotation of the rotating threaded rod 11, so as to change the rotation radius when the sliding counterweight block 14 rotates initially, and slightly adjust the centrifugal force of the sliding counterweight block 14;

[0038] The expansion fixing assembly 8 can be engaged in the circular grooves of the first connecting disc 4 and the second connecting disc 5. At the same time, through heating, the expansion fixing assembly 8 can be closely attached to the inner wall of the circular groove, and is rotationally fixed at both ends of the threaded fixing sleeve 17 inside the expansion fixing assembly 8 through the locking bolts 7 on both sides.

[0039] The above shows and describes the basic principle, main features and advantages of the present utility model. Technical staff in this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only preferred examples of the present utility model, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A compressor rotor balancing device, comprising a compressor rotor body (1), characterized in that: The left and right ends of the compressor rotor body (1) are both provided with a rotor connecting shaft (2), and the middle of the rotor connecting shaft (2) is provided with a rotating rod body (3), the middle of the left and right ends of the rotating rod body (3) is provided with a first connecting disk (4), and the right side of the first connecting disk (4) is provided with a second connecting disk (5), and the middle of the left end of the first connecting disk (4) and the middle of the right end of the second connecting disk (5) are both provided with a fixing ring (6); Two circular through grooves are evenly spaced in the middle of the front and rear sides of the first connection plate (4) and the second connection plate (5), and two locking bolts (7) are arranged inside the through grooves. The outer surfaces of the locking bolts (7) are provided with threaded fixing sleeves (17), and the outer surfaces of the threaded fixing sleeves (17) are provided with expansion fixing components (8), and the middle of the left and right ends of the threaded fixing sleeves (17) are provided with circular threaded grooves; The first connection disk (4) and the second connection disk (5) are provided with four rectangular snap-fitting grooves at equal angles on one side of the surface close to the second connection disk (5) or the first connection disk (4), and a configuration block assembly (9) is arranged inside the snap-fitting grooves. The configuration block assembly (9) is provided with a circular groove inside, and an adjustment knob (10) is arranged in the middle of one side of the circular groove close to the center of the first connection disk (4); The end of the adjusting knob (10) away from the center of the first connecting plate (4) is provided with a rotating threaded rod (11), and the other end of the rotating threaded rod (11) is provided with a sliding adjusting rod (12), the middle part of the end of the sliding adjusting rod (12) away from the rotating threaded rod (11) is provided with a rectangular sliding groove at equal intervals, and a locking block assembly (15) is provided inside the rectangular sliding groove, the middle part of one end of the sliding adjusting rod (12) is grooved with a pressing button (16), and a counterweight column (13) is provided on the side of the sliding adjusting rod (12) away from the rotating threaded rod (11), and the middle part of the other end of the counterweight column (13) is grooved with a sliding counterweight block (14), and four circular through-thread grooves are evenly spaced in the middle part of the outer ring surface of the fixing ring (6), and the inner part of the thread groove of the fixing ring (6) is provided with a hexagon socket fixing bolt (18).

2. A compressor rotor balancing device according to claim 1, characterized in that: The end of the rotor connecting shaft (2) close to the compressor rotor body (1) is fixed to the middle of the left and right surfaces of the compressor rotor body (1), and a circle of circular grooves is evenly spaced in the middle of the outer ring of the rotor connecting shaft (2), and the middle of the end of the rotating rod body (3) close to the compressor rotor body (1) passes through the middle of the rotor connecting shaft (2), and the end of the rotating rod body (3) close to the compressor rotor body (1) is connected to the left and right ends of the compressor rotor body (1) through a coupling, and the cross-sectional diameter of the middle of the left and right ends of the rotating rod body (3) is smaller than the cross-sectional diameter of the middle of the rotating rod body (3).

3. A compressor rotor balancing device according to claim 1, characterized in that: The side surface of the fixing ring (6) close to the first connecting plate (4) and the second connecting plate (5) is fixed to the middle part of the side surface of the first connecting plate (4) and the second connecting plate (5) close to the fixing ring (6), and the inner wall cross-sectional diameter of the fixing ring (6) is equal to the cross-sectional diameter of the middle part of the left and right ends of the rotating rod body (3), and the rotating rod body (3) is provided with a circular thread groove at the position of the outer circle thread groove of the fixing ring (6), the middle part of the hexagon socket fixing bolt (18) is threadedly connected to the inner wall of the thread groove of the fixing ring (6), and the end of the hexagon socket fixing bolt (18) close to the center of the cross-sectional circle of the rotating rod body (3) is threadedly connected to the inner wall of the circular groove of the rotating rod body (3).

4. A compressor rotor balancing device according to claim 1, characterized in that: The outer surfaces of the expansion fixing components (8) are tightly attached to the inner walls of the circular grooves of the first connecting plate (4) and the second connecting plate (5), and the material of the expansion fixing components (8) is a plastic material that is easy to expand when heated, and the outer surfaces of the threaded fixing sleeve (17) are tightly attached to the inner walls of the expansion fixing components (8), the middle part of one end of the locking bolt (7) close to the middle part of the threaded fixing sleeve (17) is threadedly connected to the inner walls of the circular grooves at the upper and lower ends of the threaded fixing sleeve (17), and the cross-sectional diameter of one end of the locking bolt (7) away from the middle part of the threaded fixing sleeve (17) is equal to the cross-sectional diameter of the outer surface of the expansion fixing component (8), and the end surfaces of both sides of the locking bolt (7) are located on the same plane as the surfaces of the first connecting plate (4) and the second connecting plate (5).

5. A compressor rotor balancing device according to claim 1, characterized in that: The four side surfaces of the configuration block assembly (9) are tightly attached to the inner walls of the rectangular grooves of the inner walls of the first connection disk (4) and the second connection disk (5), and the radian of the arc surface of the side surface of the configuration block assembly (9) close to the central circular groove of the first connection disk (4) is equal to the radian of the central circular groove of the first connection disk (4) and the second connection disk (5), and the ends of the adjusting knob (10) are connected to the middle of the side surface of the configuration block assembly (9) close to the circular groove of the first connection disk (4) through the bearing, and the end of the rotating threaded rod (11) close to the adjusting knob (10) is fixed to the middle of the end of the adjusting knob (10), and the middle of the end of the rotating threaded rod (11) close to the adjusting knob (10) is connected to the inner wall of the configuration block assembly (9) through the bearing, and the other end surface of the rotating threaded rod (11) is threadedly connected to the inner wall of the circular groove of one end of the sliding adjusting rod (12) close to the rotating threaded rod (11).

6. A compressor rotor balancing device according to claim 1, characterized in that: The middle part of the end of the pressing button (16) is slidably connected to the middle part of one end of the sliding adjustment rod (12), and the end surface of the locking block assembly (15) close to the sliding adjustment rod (12) is slidably connected to the inner wall of the sliding groove of the sliding adjustment rod (12), and the end of the locking block assembly (15) close to the pressing button (16) is fixed to the middle part of the pressing button (16), and the middle part of the end of the pressing button (16) located inside the sliding adjustment rod (12) is connected to the inner wall of the sliding adjustment rod (12) through a spring, and the cross-sectional diameter of the end of the sliding adjustment rod (12) is equal to the cross-sectional diameter of the locking groove of the middle part of one end of the counterweight column (13) close to the sliding adjustment rod (12), and four arc-shaped grooves are evenly spaced inside the locking groove of the counterweight column (13).

7. A compressor rotor balancing device according to claim 1, characterized in that: The middle part of the counterweight column (13) is tightly attached to the middle part of the inner wall of the configuration block assembly (9), and the middle part of the sliding counterweight block (14) is slidably connected to the middle part of the inner wall of the counterweight column (13), and the middle part of one end of the sliding counterweight block (14) close to the counterweight column (13) is connected to the middle part of the inner wall of the counterweight column (13) through a spring telescopic rod, and the cross-sectional diameter of the sliding counterweight block (14) is equal to the cross-sectional diameter of the end circular groove of the counterweight column (13).

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